Channel aware modulation order selection

1 . A user equipment (UE) for wireless communication, comprising:

a plurality of antennas; and

a processing system coupled with the plurality of antennas that includes one or more processors and one or more memories coupled with the one or more processors, the processing system configured to cause the UE to:

wirelessly transmit, to a network node via the plurality of antennas, one or more channel-related parameters associated with a wireless channel between the UE and the network node;

wirelessly receive, from the network node via the plurality of, one or more network parameters;

select a modulation order in accordance with the one or more channel-related parameters and the one or more network parameters;

wirelessly receive, from the network node via the plurality of antennas and in accordance with the transmission of the one or more channel-related parameters, a modulated bitstream via a physical downlink control channel (PDCCH); and

demodulate the modulated bitstream in accordance with the modulation order to generate a demodulated bitset that comprises control information.

2 . The UE of claim 1 , wherein the one or more network parameters comprise a guard gap threshold, a transmit signal power associated with the network node, or a combination thereof.

3 . The UE of claim 1 , wherein the processing system is further configured to cause the UE to:

wirelessly transmit, to the network node via the plurality of antennas, demodulation capability information comprising a demodulator type, a demodulator implementation loss, or a combination thereof; and

select the modulation order further in accordance with the demodulation capability information.

4 . The UE of claim 1 , wherein, to cause the UE to select the modulation order, the processing system is configured to cause the UE to:

determine a capacity metric associated with the wireless channel in accordance with the one or more channel-related parameters and the one or more network parameters; and

select the modulation order from a set of modulation orders in accordance with the capacity metric, wherein each modulation order of the set of modulation orders is associated with a respective capacity threshold.

5 . The UE of claim 1 , wherein the modulation order comprises quadrature phase shift keying (QPSK), 8 quadrature amplitude modulation (QAM-8), 16 quadrature amplitude modulation (QAM-16), 32 quadrature amplitude modulation (QAM-32), 64 quadrature amplitude modulation (QAM-64), or 128 quadrature amplitude modulation (QAM-128).

6 . The UE of claim 1 , wherein the processing system is further configured to cause the UE to:

wirelessly receive, from the network node via the plurality of antennas, an indicator associated with a channel aware modulation mode, wherein the UE is configured to transmit the one or more channel-related parameters in accordance with the reception of the indicator.

7 . A method of wireless communication by a user equipment (UE), comprising:

wirelessly transmitting, to a network node via a plurality of antennas, one or more channel-related parameters associated with a wireless channel between the UE and the network node;

wirelessly receiving, from the network node via the plurality of antennas, one or more network parameters;

selecting a modulation order in accordance with the one or more channel-related parameters and the one or more network parameters;

wirelessly receiving, from the network node via the plurality of antennas and in accordance with the transmission of the one or more channel-related parameters, a modulated bitstream via a physical downlink control channel (PDCCH); and

demodulating the modulated bitstream in accordance with the modulation order to generate a demodulated bitset that comprises control information.

8 . The method of claim 7 , wherein the one or more network parameters comprise a guard gap threshold, a transmit signal power associated with the network node, or a combination thereof.

9 . The method of claim 7 , further comprising:

wirelessly transmitting, to the network node via the plurality of antennas, demodulation capability information comprising a demodulator type, a demodulator implementation loss, or a combination thereof; and

selecting the modulation order further in accordance with the demodulation capability information.

10 . The method of claim 7 , wherein selecting the modulation order comprises:

determining a capacity metric associated with the wireless channel in accordance with the one or more channel-related parameters and the one or more network parameters; and

selecting the modulation order from a set of modulation orders in accordance with the capacity metric, wherein each modulation order of the set of modulation orders is associated with a respective capacity threshold.

11 . The method of claim 7 , wherein the modulation order comprises quadrature phase shift keying (QPSK), 8 quadrature amplitude modulation (QAM-8), 16 quadrature amplitude modulation (QAM-16), 32 quadrature amplitude modulation (QAM-32), 64 quadrature amplitude modulation (QAM-64), or 128 quadrature amplitude modulation (QAM-128).

12 . The method of claim 7 , further comprising:

wirelessly receiving, from the network node via the plurality of antennas, an indicator associated with a channel aware modulation mode, wherein the one or more channel-related parameters are transmitted in accordance with the reception of the indicator.

13 . A network node for wireless communication, comprising:

a plurality of antennas; and

a processing system coupled with the plurality of antennas that includes one or more processors and one or more memories coupled with the one or more processors, the processing system configured to cause the network node to:

wirelessly transmit, to a user equipment (UE) via the plurality of antennas, an indicator associated with a channel aware modulation mode;

wirelessly receive, from the UE via the plurality of antennas and in accordance with the transmission of the indicator, one or more channel-related parameters associated with a wireless channel between the UE and the network node;

wirelessly transmit, to the UE via the plurality of antennas, one or more network parameters;

select a modulation order in accordance with the one or more channel-related parameters and the one or more network parameters;

modulate a bitset that comprises control information in accordance with the modulation order to generate a modulated bitstream; and

wirelessly transmit, to the UE via the plurality of antennas, the modulated bitstream via a physical downlink control channel (PDCCH).

14 . The network node of claim 13 , wherein the one or more network parameters comprise a guard gap threshold, a transmit signal power associated with the network node, or a combination thereof.

15 . The network node of claim 13 , wherein the processing system is further configured to cause the network node to:

wirelessly receive, from the UE via the plurality of antennas, demodulation capability information comprising a demodulator type, a demodulator implementation loss, or a combination thereof; and

select the modulation order further in accordance with the demodulation capability information.

16 . The network node of claim 13 , wherein, to cause the network node to select the modulation order, the processing system is configured to cause the network node to:

determine a capacity metric associated with the wireless channel in accordance with the one or more channel-related parameters and the one or more network parameters; and

select the modulation order from a set of modulation orders in accordance with the capacity metric, wherein each modulation order of the set of modulation orders is associated with a respective capacity threshold.

17 . The network node of claim 13 , wherein the wireless channel comprises an uplink channel from the UE to the network node having reciprocity with a downlink channel from the network node to the UE.

18 . A method of wireless communication by a network node, comprising:

wirelessly transmitting, to a user equipment (UE) via the plurality of antennas, an indicator associated with a channel aware modulation mode;

wirelessly receiving, from the UE via the plurality of antennas and in accordance with the transmission of the indicator, one or more channel-related parameters associated with a wireless channel between the UE and the network node;

wirelessly transmitting, to the UE via the plurality of antennas, one or more network parameters;

select a modulation order in accordance with the one or more channel-related parameters and the one or more network parameters;

modulate a bitset that comprises control information in accordance with the modulation order to generate a modulated bitstream; and

wirelessly transmitting, to the UE via the plurality of antennas, the modulated bitstream via a physical downlink control channel (PDCCH).

19 . The method of claim 18 , wherein the one or more network parameters comprise a guard gap threshold, a transmit signal power associated with the network node, or a combination thereof.

20 . The method of claim 18 , further comprising:

wirelessly receiving, from the UE via the plurality of antennas, demodulation capability information comprising a demodulator type, a demodulator implementation loss, or a combination thereof; and

selecting the modulation order further in accordance with the demodulation capability information.

21 . The method of claim 18 , wherein selecting the modulation order comprises:

determining a capacity metric associated with the wireless channel in accordance with the one or more channel-related parameters and the one or more network parameters; and

selecting the modulation order from a set of modulation orders in accordance with the capacity metric, wherein each modulation order of the set of modulation orders is associated with a respective capacity threshold.

22 . The method of claim 18 , wherein the wireless channel comprises an uplink channel from the UE to the network node having reciprocity with a downlink channel from the network node to the UE.